Oil slick screen after display is asleep?

I have the early 2015 13" Macbook Pro with Retina Display, and I recently updated the OS to macOS High Sierra. First of all, my macbook has been acting SO glitchy and unresponsive at times. In addition, after the display has shut off (usually from the auto-sleep after 1 minute) and I wake it up, my screen displays this oil slick type of thing really fast and then it turns back to normal. What could I do to fix this? Preferably without having to reset my Mac and go through the nightmare of restoring my data. Below is a picture of what I am talking about, as it only appears for a fraction of a second.